package com.atguigu.gulimall.order.config;

import com.atguigu.gulimall.order.entity.OrderEntity;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

@Configuration
public class MyMQConfig {

    @RabbitListener(queues = "order.release.order.queue")
    public void listener(OrderEntity entity, Channel channel, Message message) throws IOException {

        System.out.println("收到过期的订单信息，准备关闭订单..." + entity.getOrderSn());
        channel.basicAck(message.getMessageProperties().getDeliveryTag(),false);
    }

    /**
     * 容器中的Binding,Queue,Exchange都会自动创建（Rabbit没有的情况）
     * @return
     */

    //String name, boolean durable, boolean exclusive, boolean autoDelete, Map<String, Object> arguments
    @Bean
    public Queue orderDelayQueue(){

        Map<String,Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange","order-event-exchange");
        arguments.put("x-dead-letter-routing-key","order.release.order");
        arguments.put("x-message-ttl",60000);
        Queue queue = new Queue("order.delay.queue", true, false, false,arguments );

        return queue;
    }


    @Bean
    public Queue orderReleaseOrderQueue(){


        Queue queue = new Queue("order.release.order.queue",true, false, false);

        return queue;
    }

    @Bean
    public Exchange orderEventExchange(){

        //String name, boolean durable, boolean autoDelete, Map<String, Object> arguments
        return new TopicExchange("order-event-exchange",true,false);

    }

    //String destination, Binding.DestinationType destinationType, String exchange, String routingKey, Map<String, Object> arguments
    @Bean
    public Binding orderCreateOrderBinding(){


        return new Binding("order.delay.queue", Binding.DestinationType.QUEUE,"order-event-exchange","order.create.order",null);

    }

    @Bean
    public Binding orderRealeaseOrderBinding(){


        return new Binding("order.release.order.queue", Binding.DestinationType.QUEUE,"order-event-exchange","order.release.order",null);

    }
}
